Use the verbs in the past tense the children (arrive) at the summe camp yesterday we ( learn ) about farm animals in the village some children (swim) in the river last sunday me parents (visit) my grandfather two days ago william (send) e-mails to his friends on monday the girls (play) volleyball in the afternoon the children (have ) a barbecue on the beach last month at nigth they (sing) songs and (dance) last saturday